001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.reifier.language;
018
019import java.util.HashMap;
020import java.util.Map;
021
022import org.apache.camel.CamelContext;
023import org.apache.camel.Expression;
024import org.apache.camel.Predicate;
025import org.apache.camel.builder.SimpleBuilder;
026import org.apache.camel.model.language.ExpressionDefinition;
027import org.apache.camel.model.language.SimpleExpression;
028
029public class SimpleExpressionReifier extends ExpressionReifier<SimpleExpression> {
030
031    public SimpleExpressionReifier(CamelContext camelContext, ExpressionDefinition definition) {
032        super(camelContext, (SimpleExpression) definition);
033    }
034
035    @Override
036    public Expression createExpression() {
037        String exp = parseString(definition.getExpression());
038        // should be true by default
039        boolean isTrim = parseBoolean(definition.getTrim(), true);
040        if (exp != null && isTrim) {
041            exp = exp.trim();
042        }
043
044        SimpleBuilder answer = new SimpleBuilder(exp);
045        Map<String, Object> props = new HashMap<>();
046        props.put("resultType", or(definition.getResultType(), definition.getResultTypeName()));
047        setProperties(answer, props);
048        return answer;
049    }
050
051    @Override
052    public Predicate createPredicate() {
053        // SimpleBuilder is also a Predicate
054        return (Predicate) createExpression();
055    }
056
057}